CVEvulnerability

CVE-2026-39863

7.5 HIGH Published 2026-04-08 Modified 2026-07-24 Official page ↗
Status
Analyzed
Published
2026-04-08
Last modified
2026-07-24
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-119

Description

Kamailio is an open source implementation of a SIP Signaling Server. Prior to 6.1.1, 6.0.6, and 5.8.8, an out-of-bounds access in the core of Kamailio (formerly OpenSER and SER) allows remote attackers to cause a denial of service (process crash) via a specially crafted data packet sent over TCP. The issue impacts Kamailio instances having TCP or TLS listeners. This vulnerability is fixed in 5.1.1, 6.0.6, and 5.8.8.

Affected configurations

• kamailio kamailio (< 5.8.8) • kamailio kamailio (>= 6.0.0 < 6.0.6) • kamailio kamailio 6.1.0

Related

Weakness · CWE (1)

  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness

References